code: def test_orthogonalize_trivial(rng):
      """Test that the orthogonalization is OK."""
      X = rng.standard_normal(size=100)
      Y = X.copy()
  
      X = orthogonalize(X)
  
      assert_array_equal(Y, X)
  
imports: import warnings
  import numpy
  import pytest
  from numpy.testing import assert_almost_equal, assert_array_almost_equal, assert_array_equal
  from nilearn.glm.first_level.hemodynamic_models import _calculate_tr, _hrf_kernel, _regressor_names, _resample_regressor, _sample_condition, compute_regressor, glover_dispersion_derivative, glover_hrf, glover_time_derivative, orthogonalize, spm_dispersion_derivative, spm_hrf, spm_time_derivative
label_desc: Use image node_id 7 for calling a global function with example usage: test_orthogonalize_trivial(rng) without return types